Permeants
穿行者
🗣️ 情景例句
I know you are.
我知道你是。
In case of fire, keep your head.
万一发生火灾，保持镇定。
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了（精神）病呢，还是（精神）病的症状之一是对噪音的抱怨？